Jambs mcintyre



J. MGINTYRE. ROLLING SHUTTERu Patented Apr. 13, 1858.A

JL ll UNITED STATES PATENT OFFIOE.

JAMES MCINTYRE, OF NEW YORK, N. Y.

ILLUMINATING IRON ROLLING' SHUTTERS.

Specication of Letters Patent No. 19,941, dated April 13, 1858.

To all whom it may concern;

Be it known that I, JAMES MGINTYRE, of the city, county, and State ofNew York, have invented a new and useful Improvement in RollingShutters; and I do hereby declare that the following is a full, clear,and exact description of the same, reference being had to theaccompanying drawings, forming part of this specification, in which-Figure l, is front view of a store front,r

fitted with a rolling shutter constructed according to my invention.Fig. 2, is a transverse vertical v'section of the same, in the planeindicated by the line x, w, Fig. l. Fig. 8, is a back view of a portionof the shutter. Fig. 4, is a transverse vertical section of the portionof the shutter represented in Fig. 3, in the line y, y, of thatfigure.Fig. 5, is a back View of a portion of one slat on a larger scale,illustrating the method I generally employ to secure the glasses inplace. Fig. 6, is a transverse section in the plane indicated by theline Z, Z, in Fig. 5. Fig. 7, is a section in the plane indicated by theline c, c, Fig. 5. Fig. 8, is a back view of one of the glassesdetached.

Similar letters of reference indicate corresponding parts in the severalfigures.

This invention consists in the construction of a rolling shutter withits slats of iron and glass combined in such a manner as to render theshutter not only burglar-proof and lire-proof in the same degree asshutters made wholly of iron, but also suiiiciently translucent to lightthe interior of a store, l

house, or oflice in the daytime, enough for many purposes, when it isnot desired to open it; and likewise to expose to persons outside anyfire that may take place therein at night, or any light that may be usedby a thief who may have secreted himself in a store in daytime to waitfor the closing of the store at night to commence operations and at thesame time as to permit the easy rolling up of the shutter, thus givingthe shutter a combination of characteristics never before attempted inthe construction of rolling shutters.

In Figs. l and 2, A A B, is the framing of the store front. D is theroller to which the shutter is attached by short chains Z, Z, and onwhich it rolls up; the said roller being operated by an endless chain m,running over a pulley n, at one end'of it and another pulley p, which isworked by suitTv Yable handgear within the store.

O, O, are cast iron frames constituting the principal portions of theslats fitted together at their edges with rabbets shown at a, 0;, inFigs. 2, 4, and 6, so that each overlaps the one below it but that yetthe general surface of the shutter may be flat and the ends of theshutter may fit snugly in narrow grooves provided for them inthe j ambsA, A. These cast iron frames C, C, may be of about the width usual forthe slats of rolling iron shutters. They have apertures cast in them atsuit-able intervals apart, with proper seats around said aperturestoreceive the glasses G, G, which may be of iat, lenticular, prismatic orother form, either circular or polygonal, and may be secured in theirseats by soft met-al or cement. I prefer, however,-

there are two recesses c,c, shown in Fig. 5,

of a formand size to allow the projections on the glasses to enter; andin the middle between the front and back cylindrical portions e, and f,(see Figs. 5, 6, 7,) there is a groove g, all around the aperture toreceive the projections b, b, on the glass. The glasses Gr, G, thusconstructed are inserted from the backs of the frames C, O,by placingthe projections Z2, b, opposite to the recesses c, c, and after droppingthem into the apertures, turning them to bring said projections withinthe flange-like cylindrical portions f, f, of the back thereof, (asshown dotted in Fig. 5,) where they are held secure between the saidflange-like portions and the Hangs-like front portions c, e, so that theglasses cannot be driven out. When the glasses have been thus inserted,the recesses c, c, are filled with soft metal or cement, (as showntinted blue in Fig. 5,) which prevents the glasses being turned. Thismetal or cement being protected in front by the flange-like frontportions e, e, of the apertures, cannot be picked out by burglars, andhence the glasses cannot be removed without breaking them in pieces.

The apertures and glasses should not be f too large size; as the smallerthey are, the more diiicult it Would be for burglars to break them out.

The slats composed of cast iron frames C, C, fitted with glasses G, G,in the manner described, may be connected by chains attached to thebacks or by a system of links al, d, (Figs. 3 and 4f) Which makes theslats themselves portions of the chains.

To provide in the fullest degree against burglary, the outer faces ofthe cast iron frames C, C, of the slats may be chilled in the casting,which Will render it impossible to cut them by drills or other tools.

Instead of making the slat frames C, C, of cast iron, they may be madeof Wrought or sheet iron, and have apertures provided to receive cast orWrought iron sockets to contain the glasses Which may be secured in saidsockets in same manner as in the apertures of cast iron slat frames C,C, already described. The above mentioned sockets may be secured in theWrought iron slats by rivets or bolts or other fastenings applied so asto be protected on the outside of the shutter.

It is not absolutely necessary in order to obtain the results aimed atin this invention, that every slat inthe shutter be furnished Withglasses, but some of them may be made solid. I therefore Wish myinvention to be considered as including the construction of shutterswith only certain of the slats of iron and glass.

I am aware that iron and glass have been combined in various Ways forvault lights, Windows, and other parts of buildings, and therefore Idisclaim such combination for all other purposes than the slats ofrolling iron shutters; but I am not aware that glass has ever been usedin a rolling iron shutter, or that such a shut-ter has ever been made topossess the combination of characteristics herein mentioned.

. I therefore claim as my invention, and desire to secure by LettersPatent,-

The construction of a rolling shutter with its slats of iron and glasscombined substantially as herein described to obtain the characteristicsherein specified.

JAMES MGINTYRE. Witnesses:

I. J. OLONE, HENRY T. BROWN;

